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Yealink SIP-T48S
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Main Specifications
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Product Description
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Yealink SIP-T48S - VoIP phone - 3-way call capability
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Product Type
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VoIP phone
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Main Features
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Multiple VoIP protocol support, integrated Ethernet switch
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VoIP Protocols
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SIP, SIP v2
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Voice Codecs
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G.722, G.723.1, G.729ab, G.711u, G.711a, iLBC, Opus
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Lines Supported
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16 lines
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Speakerphone
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Yes
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Call Services
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Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold
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Display
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LCD display - color - Yes
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Display Features
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Touch screen
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Network Ports Qty
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2 x Ethernet 10Base-T/100Base-TX/1000Base-T
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General
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Product Type
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VoIP phone
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Miscellaneous
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Connections
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2 x headset jack / RJ-9 ¦ Electronic hook switch (EHS) ¦ USB
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Hearing Aid Compatible
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Yes
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Placing / Mounting
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Wall-mountable, table-top
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Cables Included
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Network cable
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Display
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Type
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LCD display - color
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Display Location
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Base
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Diagonal Size
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7"
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Display Resolution
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800 x 480 pixels
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Color Depth
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24-bit (16.7 million colors)
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Backlit
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Yes
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Features
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Touch screen
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Phone Features
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Call Services
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Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold
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Dialer Type
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Keypad + touch sensitive screen
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Dialer Location
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Base
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Conference Call Capability
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3-way
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Speakerphone
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Yes
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Menu Operation
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Yes
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Indicators
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Visual ringer light, voice message waiting indicator, speakerphone indicator, headset, mute indicator
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Additional Functions
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Call recording, Intercom
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Additional Features
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Key lock, music on hold, built-in web server, BLF status lamps
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Dimensions & Weight (Base)
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Width
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10.5 in
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Depth
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8.9 in
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Height
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7.3 in
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Phone Memory
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Phone Directory Capacity
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1000 names & numbers
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IP Telephony
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Main Features
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Multiple VoIP protocol support, integrated Ethernet switch
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VoIP
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Yes
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VoIP Protocols
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SIP, SIP v2
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Voice Codecs
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G.722, G.723.1, G.729ab, G.711u, G.711a, iLBC, Opus
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Lines Supported
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16 lines
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Quality of Service
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IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS)
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IP Address Assignment
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DHCP, static, PPPoE
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Security
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EAP-MD5, IEEE 802.1X, TLS
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Power Over Ethernet (PoE) Support
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Yes
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Network Protocols
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TCP, TFTP, UDP, HTTP, DNS, HTTPS, SRTP, TR-069, SNTP
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Network Ports Qty
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2 x Ethernet 10Base-T/100Base-TX/1000Base-T
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Voice Features
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Comfort noise generation (CNG), voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC)
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Network Features
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Network Address Translation (NAT), Class 3 PoE, Lightweight Directory Access Protocol (LDAP)
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